| 摘要 |
The two elements are incorporated in a single apparatus or form separate units of the combination and are electronically coupled. The process of using the combination forms the least cost routing (LCR) method. Thus the software program, data, such as tariffs to time zones, and the predialling number of provider, are fed-in from or by a telephone or chip card reader, or automatically. The telephone card reader incorporates a memory and a radio clock with automatic adjustment using the current supply.
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